A detailed comparison of #5243EF and #C4EF43 — complementary colors
background: linear-gradient(to right, #5243EF, #C4EF43);
With a contrast ratio of 4.63:1, this pair meets WCAG AA for normal text. Use Chartreuse Tone Bright as the background and Amethyst Tone Bright as text for optimal readability.
These colors have a 170\u00B0 hue difference, making them complementary. Their high contrast creates visual energy — great for call-to-action buttons, hero sections, and brand accents.